#586FC9#586FC9

#586FC9 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.8% C 0.141 H 270.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#586FC9
RGB	rgb(88, 111, 201)
HSL	hsl(228, 51%, 57%)
HSV	hsv(228, 56%, 79%)
CMYK	cmyk(56.2%, 44.8%, 0%, 21.2%)
CIE-LAB	lab(49.08, 18.10, -49.53)
CIE-LCH	lch(49.08, 52.74, 290.07°)
OKLab	oklab(56.77% 0.0014 -0.141)
OKLCH	oklch(56.77% 0.141 270.6)
XYZ	xyz(20.2481, 17.6591, 57.5886)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586FC9 #C9B258

analogous

#58A7C9 #586FC9 #7A58C9

triadic

#586FC9 #C9586F #6FC958

tetradic

#586FC9 #C958A7 #C9B258 #58C97A

square

#586FC9 #C958A7 #C9B258 #58C97A

split-complementary

#586FC9 #C97A58 #A7C958

monochromatic

#293A7E #384FAC #586FC9 #8697D8 #B4BFE7

Accessibility & contrast

On white

4.63

#586FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#586FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #586FC9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586FC9	#FFFFFF	#000000	##FFFFFF
##586FC9	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ACC

Deuteranopia (green-blind)

#3870C7

Tritanopia (blue-blind)

#128392

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #586fc9;
/* rgb */ color: rgb(88, 111, 201);
/* oklch */ color: oklch(56.8% 0.141 270.6);

Tailwind

colors: {
  custom: {
    50: '#8f98da',
    500: '#586fc9',
    950: '#000000',
  },
}

SCSS

$custom: #586fc9;
$custom-light: #8f98da;
$custom-dark: #000000;

JSON

{
  "hex": "#586fc9",
  "rgb": {
    "r": 88,
    "g": 111,
    "b": 201
  },
  "hsl": {
    "h": 227.788,
    "s": 51.131,
    "l": 56.667
  },
  "oklch": {
    "l": 0.56766,
    "c": 0.14106,
    "h": 270.6
  },
  "luminance": 0.17661
}

Semantic roles & 50–950 ramp

primary

#586FC9

secondary

#D6CCA7

accent

#BE4DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #586FC9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →